package com.wqiuqiu.gulimall.order.interceptor;


import feign.RequestInterceptor;
import feign.RequestTemplate;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.web.context.request.RequestAttributes;
import org.springframework.web.context.request.RequestContextHolder;
import org.springframework.web.context.request.ServletRequestAttributes;

import javax.servlet.http.HttpServletRequest;

@Configuration
public class FeignInterceptor {

    @Bean("requestInterceptor")
    public RequestInterceptor interceptor(){
        return new RequestInterceptor() {
            @Override
            public void apply(RequestTemplate template) {
                ServletRequestAttributes requestAttributes = (ServletRequestAttributes) RequestContextHolder.getRequestAttributes();
                if (requestAttributes != null){// feign远程调用时requestAttributes会为null
                    HttpServletRequest request = requestAttributes.getRequest();
                    String cookie = request.getHeader("Cookie");
                    template.header("Cookie",cookie);
                }

            }
        };
    }

}
